Hierarchy structure characteristics analysis for the China Loess watersheds based on gully node calibration
文献类型：期刊论文
| 作者 | Zhu, Hong-chun; Zhao, Yi-peng; Xu, Yue-xue; Liu, Hai-ying |
| 刊名 | JOURNAL OF MOUNTAIN SCIENCE
 |
| 卷号 | 15期号:12页码:2637-2650 |
| 关键词 | Digital elevation models Flow accumulation Gully structure feature point Hypsometric integral Loess landform Node calibration |
| ISSN号 | 1672-6316 |
| DOI | 10.1007/s11629-018-5000-8 |
| 文献子类 | Article |
| 英文摘要 | A land surface region can be decomposed into a series of watershed units with a hierarchical organizational structure. For loess landform, the watershed is a basic spatial-structural unit that can express natural landforms, surface morphology characteristics, spatial organization and developmental evolution. In this research we adopted the concept of node calibration in the watershed structure unit, selected six complete watersheds on China Loess Plateau as the research areas to study the quantitative characteristics of the hierarchical structure in terms of watershed geomorphology based on digital elevation model (DEM) data, and then built a watershed hierarchical structure model that relies on gully structure feature points. We calculated the quantitative indices, such as elevation, flow accumulation and hypsometric integral and found there are remarkably closer linear correlation between flow accumulation and elevation with increasing gully order, and the same variation tendency of hypsometric integral also presented. The results showed that the characteristics of spatial structure become more stable, and the intensity of spatial aggregation gradually enhances with increasing gully order. In summary, from the view of gully node calibration, the China Loess watershed structure shows more significantly complex, and the developmental situation variation of the loess landforms also exhibited a fairly stable status with gully order increasing. So, the loess watershed structure and its changes constructed the complex system of the loess landform, and it has the great significance for studying the spatial pattern and evolution law of the watershed geomorphology. |
| 电子版国际标准刊号 | 1993-0321 |
| 语种 | 英语 |
| WOS记录号 | WOS:000453393800007 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/46363]  |
| 专题 | Journal of Mountain Science_Journal of Mountain Science-2018_Vol15 No.12 |
| 推荐引用方式 GB/T 7714 | Zhu, Hong-chun,Zhao, Yi-peng,Xu, Yue-xue,et al. Hierarchy structure characteristics analysis for the China Loess watersheds based on gully node calibration[J]. JOURNAL OF MOUNTAIN SCIENCE,15(12):2637-2650. |
| APA | Zhu, Hong-chun,Zhao, Yi-peng,Xu, Yue-xue,&Liu, Hai-ying. |
| MLA | Zhu, Hong-chun,et al."Hierarchy structure characteristics analysis for the China Loess watersheds based on gully node calibration".JOURNAL OF MOUNTAIN SCIENCE 15.12 |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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